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Finding the Fourth Proportional to 562,321.52, 776,002.44 and 307,672.16

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Solution

The fourth proportional to 562,321.52, 776,002.44 and 307,672.16 is: 424,586.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,321.52 : 776,002.44 = 307,672.16 : x
  2. Step 2: Convert to fraction form
    562,321.52/776,002.44 = 307,672.16/x
  3. Step 3: Cross multiply
    562,321.52x = 776,002.44 × 307,672.16
  4. Step 4: Simplify right side
    562,321.52x = 238,754,346,880.07
  5. Step 5: Solve for x
    x = 238,754,346,880.07/562,321.52
  6. Step 6: Final answer
    x = 424,586.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.